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    • 8. 发明授权
    • Use of glasses containing rare earth oxide, alumina, and zirconia and dopant in optical waveguides
    • 在光波导中使用含有稀土氧化物,氧化铝,氧化锆和掺杂剂的玻璃
    • US07292766B2
    • 2007-11-06
    • US10425039
    • 2003-04-28
    • Mark T. AndersonKenton D. BuddAnatoly Z. RosenflanzCraig R. Schardt
    • Mark T. AndersonKenton D. BuddAnatoly Z. RosenflanzCraig R. Schardt
    • G02B6/00
    • H01S3/0632C03C3/062C03C3/125C03C4/0071C03C13/048H01S3/17
    • The invention provides optical waveguides comprising a glass doped with a rare earth dopant on a surface of the substrate, wherein the glass comprises (a) Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 80 percent by weight of the glass collectively comprises the Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, based on the total weight of the glass; (b) Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 70 percent by weight of the glass collectively comprises the Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, and wherein the glass contains not more than 20 percent by weight SiO2 and not more than 20 percent by weight B2O3, based on the total weight of the glass; or (c) at least 40 percent by weight Al2O3, based on the total weight of the glass, and a first metal oxide other than Al2O3, wherein the Al2O3 and the first metal oxide, collectively comprise at least 80 percent by weight of the glass.
    • 本发明提供了光学波导,其包括在衬底的表面上掺杂有稀土掺杂剂的玻璃,其中所述玻璃包括(a)Al 2 O 3 3,至少一个 的REO或Y 2 O 3 3,以及ZrO 2 2或HfO 2 2中的至少一种,其中至少 玻璃的80重量%总共包含Al 2 O 3 O 3,REO或Y 2 O 3 3中的至少一个, / SUB>,以及基于玻璃的总重量的ZrO 2或HfO 2 2中的至少一种; (b)Al 2 O 3 3,REO或Y 2 O 3 3中的至少一个,至少一个 ZrO 2或HfO 2 2中的一种,其中至少70重量%的玻璃共同包含Al 2 O 3, / SO 2,REO或Y 2 O 3 3中的至少一个,以及ZrO 2 2或HfO 2 3中的至少一种, / SUB>,并且其中所述玻璃含有不超过20重量%的SiO 2和不大于20重量%的B 2 O 3 3 / >,基于玻璃的总重量; 或(c)至少40重量%的Al 2 O 3 3,基于玻璃的总重量,以及除Al 2以外的第一金属氧化物 其中Al 2 O 3 3和第一金属氧化物共同包含至少80重量%的O 2 O 3 玻璃。